Circular door latch lock for trailers and containers



FIG. 1 is a front perspective view showing my new design for a door latch lock;

FIG. 2 is a bottom plan view;

FIG. 3 is a top plan view;

FIG. 4 is a left side elevational which is a mirror image of the right side view;

FIG. 5 is a front elevational view; and,

FIG. 6 is a rear elevational view.

The broken line drawings of a trailer/container door latch and lock key are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a circular door latch lock for trailers and containers, as shown and described. 